*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:#0b1220;color:#fff}
.app{max-width:1150px;margin:0 auto;padding:20px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.topbar h1{margin:0 0 6px;font-size:34px}
.subtitle{margin:0;color:#94a3b8}
.user-pill{background:#1e293b;padding:10px 14px;border-radius:999px;color:#cbd5e1}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.stat-card{background:#111827;border:1px solid #1f2937;border-radius:18px;padding:18px}
.stat-label{display:block;color:#94a3b8;font-size:13px;margin-bottom:8px}
.stat-value{font-size:34px;font-weight:800}
.stat-value.small{font-size:20px}
.layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.panel{background:#111827;border:1px solid #1f2937;border-radius:18px;padding:18px}
#reader{width:100%;min-height:360px;overflow:hidden;border-radius:14px;background:#000}
.hint{margin-top:12px;color:#94a3b8}
.result{border-radius:18px;padding:22px;min-height:170px}
#resultTitle{font-size:36px;font-weight:900;text-align:center;margin-bottom:10px}
#resultDetail{white-space:pre-line;font-size:17px;line-height:1.5;text-align:center}
.neutral{background:#334155}.ok{background:#166534}.bad{background:#b91c1c}
.info{margin-top:16px;background:#0f172a;border-radius:14px;padding:14px}
.info-row{padding:8px 0;border-bottom:1px solid #1e293b}
.info-row:last-child{border-bottom:none}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn{display:inline-block;text-decoration:none;border:none;cursor:pointer;border-radius:12px;padding:12px 16px;font-weight:700;background:#2563eb;color:#fff}
.btn.secondary{background:#475569}.btn.dark{background:#020617}
.debug{margin-top:16px;background:#020617;color:#93c5fd;border-radius:14px;padding:14px;min-height:90px;overflow:auto;white-space:pre-wrap;font-size:12px}
@media (max-width:960px){.stats{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:1fr}}
@media (max-width:560px){.stats{grid-template-columns:1fr}.topbar h1{font-size:28px}.stat-value{font-size:30px}}